(12steps total) PrintForm Definitions LogicSupplement Sections DiscrMathExt Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: negnegelim vs bivalence 1 1 1 2
1. P:Prop. P  P
2. P : Prop
3. (P  P)
  P
By: SimilarTo: Hyp:3

Generated subgoal:

1 3. P
  P  P
1 step

About:
propimpliesorall
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html

(12steps total) PrintForm Definitions LogicSupplement Sections DiscrMathExt Doc